\documentclass{ttextemp2}
\usepackage{commutative-diagrams}
\usepackage{caption}

\begin{document}
\newcommand{\rev}{^{-1}}
\newcommand{\map}{\rightarrow}
\newcommand{\tc}{\Rightarrow}
\newcommand{\ii}{\text{i}}
\newcommand{\ppi}{\uppi}
\newcommand{\C}{\mathbb{C}}
\newcommand{\R}{\mathbb{R}}
\newcommand{\Q}{\mathbb{Q}}
\newcommand{\N}{\mathbb{N}}
\newcommand{\Z}{\mathbb{Z}}

\title{基础拓扑学\ 学习笔记}
\author{TXFK}
\date{\today}
% \begin{titlepage}
\maketitle
% \end{titlepage}

\input{chapter 0/section 0.tex}

\tableofcontents
\newpage

\stepcounter{chapter}
\chapter{连续性}

\input{chapter 2/section 1.tex}
\input{chapter 2/section 2.tex}
\input{chapter 2/section 3.tex}



\end{document}